The A-B-C of aviation; a complete, practical treatise outlining clearly the elements of aeronautical engineering, with special reference to simplified explanations of the theory of flight, aerodynamics and basic principles underlying the action of balloons and airplanes of all types
The A-B-C of aviation; a complete, practical treatise outlining clearly the elements of aeronautical engineering, with special reference to simplified explanations of the theory of flight, aerodynamics and basic principles underlying the action of balloons and airplanes of all types
